Inventor
Kazuhide Kawai
Inventor
Kariya, JP
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets35%
F02PIgnition, other than compression ignition, for internal-combustion engines23%
H01TSpark gaps12%
C04BLime, magnesia6%
B22DCasting of metals5%
Y10TTechnical subjects covered by former us classification4%
H01RElectrically-conductive connections3%
B22FWorking metallic powder1%
C03BManufacture, shaping, or supplementary processes1%
C23CCoating metallic material1%
PatentTitleYear
10,790,638Spark plug for internal combustion engine use and method of manufacturing spark plug202010,718,309Ignition coil for internal combustion engine202010,460,868Ignition coil for internal combustion engine201910,431,376Ignition coil for internal combustion engine201910,359,021Ignition coil for internal combustion engine201910,177,536Spark plug, spark plug gasket, and manufacturing method thereof20199,659,703'Ignition coil for internal combustion engine'20179,548,156'Ignition coil for internal combustion engine'20179,353,722'Ignition coil for internal combustion engine'20169,010,306'Ignition coil for internal combustion engines'20158,925,533'Ignition coil for internal combustion engine'20157,394,342'Ignition coil and manufacturing method and apparatus thereof'20087,381,362'Production method for ceramic porous material'20087,234,454'Ignition coil and method for manufacturing an ignition coil'20077,236,074'Ignition coil'20077,222,616'Stick ignition coil apparatus for ignition plug'20077,145,426'Ignition coil for internal combustion engine'20067,009,483'Ignition coil device and method of manufacturing the same'20066,995,644'Stick-type ignition coil having improved structure against crack or dielectric discharge'20066,982,622'Ignition coil device'20066,977,572'Stick-shaped ignition coil having internal hole for resin'20056,967,552'Ignition coil device and method of manufacturing the same'20056,930,583'Stick-type ignition coil having improved structure against crack or dielectric discharge'20056,868,844'Ignition coil assembly'20056,861,122'Ceramic member with fine protrusions on surface and method of producing the same'20056,809,621'Internal combustion engine ignition coil, and method of producing the same'20046,805,086'Ignition coil apparatus for engine'20046,781,500'Ingition coil for internal combustion engine'20046,559,747'Ignition coil'20036,348,428'High-purity crystalline inorganic fiber, molded body thereof, and method of production thereof'20026,337,617'Ignition coil device having spool including glass fiber and silica'20026,208,231'Stick-type ignition coil having improved structure against crack or dielectric discharge'20016,191,674'Ignition coil for internal combustion engine'20016,114,935'Ignition coil having coil case'20005,958,279'Refractory slide-gate plate'19995,055,433'Refractory having high resistance to corrosion and spalling and manufacturing method thereof'19915,046,647'Nozzle for discharging molten metal used in a casting device'19914,857,488'Casting nozzle'19894,834,056'Ignition coil unit for internal combustion engines'19894,780,434'Refractory composition'19884,566,751'Distributor cap with ignition cable'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2005Patents assigned to TOSHIBA CERAMICS CO (6)· patent assignee history
1989–2020Based in Kariya, JP· patent location history
1991–2017Based in Aichi, JP· patent location history
1991–2008Based in Nishio, JP· patent location history
1999Based in Hadano, JP· patent location history
2000–2020Patents assigned to DENSO CORP (31)· patent assignee history
2002Based in Hatano-si, JP· patent location history
2008Patents assigned to COVALENT MATERIALS CORP (1)· patent assignee history
2015Patents assigned to AKIMOTO KATSUNORI (2)· patent assignee history
2015Patents assigned to KAWAI KAZUHIDE (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DENSO CORP | 31 | 2000–2020 |
| TOSHIBA CERAMICS CO | 6 | 1988–2005 |
| AKIMOTO KATSUNORI | 2 | 2015 |
| KAWAI KAZUHIDEself | 2 | 2015 |
| COVALENT MATERIALS CORP | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kariya, JP | 32 | 1989–2020 |
| Aichi, JP | 3 | 1991–2017 |
| Nishio, JP | 2 | 1991–2008 |
| Hatano-si, JP | 1 | 2002 |
| Hadano, JP | 1 | 1999 |